Solar cell module, solar cell module string, solar cell system, and method for supervising said solar cell module or solar cell module string

Abstract

A solar cell module or a solar cell module which is provided with a readable and writable memory medium capable of writing in a large quantity of information of said solar cell module and capable of reading out necessary information from said memory medium. A solar cell system comprising said solar cell module or said solar cell module string. A method for supervising said solar cell module or said solar cell module string.

What is claimed is:  
     
       1. A solar cell module having a light receiving face and a non-light receiving face and which is provided with a readable and writable memory medium capable of writing in a large quantity of information of said solar cell module and capable of reading out necessary information from said memory medium. 
     
     
       2. A solar cell module according to claim  1 , wherein the memory medium comprises a non-volatile memory or a volatile memory in which an electric power is constantly supplied, and the solar cell module is provided with a power input-output means which electrically connects said non-volatile memory or said volatile memory to the outside. 
     
     
       3. A solar cell module according to claim  2 , wherein the power input-output means is provided at a desired position in the light receiving face of the solar cell module. 
     
     
       4. A solar cell module according to claim  2 , wherein the solar cell module is also provided with a power conversion means for converting an electric power generated by the solar cell module into an AC electric power and outputting said AC electric power, and the non-volatile memory or the volatile memory and the power input-output means are arranged in the power conversion means. 
     
     
       5. A solar cell module according to claim  2 , wherein the solar cell module is also provided with a power conversion means for converting an electric power generated by the solar cell module into an AC electric power and outputting said AC electric power, and the non-volatile memory or the volatile memory, the control means and the power input-output means are arranged in said power conversion means. 
     
     
       6. A solar cell module according to claim  4  or  5 , wherein the power conversion means comprises a module-integrated converter. 
     
     
       7. A solar cell module according to claim  1 , wherein the memory medium comprises a non-volatile memory or a volatile memory in which an electric power is constantly supplied, and the solar cell module is provided with a control means for performing writing and reading for said non-volatile memory or said volatile memory and a power input-output means for performing delivery and receipt of data with respect to the outside. 
     
     
       8. A solar cell module according to claim  7 , wherein the solar cell module is also provided with a means for supplying an electric power to drive the non-volatile memory or the volatile memory by dividing an electric power generated by the solar cell module. 
     
     
       9. A solar cell module according to claim  7 , wherein the solar cell module is also provided with a storage battery for supplying an electric power to drive the non-volatile memory or the volatile memory. 
     
     
       10. A solar cell module according to claim  7 , wherein the power input-output means is an optical power input-output means, a magnetic power input-output means or an electric power input-output means. 
     
     
       11. A solar cell module according to claim  7 , wherein the solar cell module is also provided with a means for detecting information relating to an operation state or an operation environment of the solar cell module, and said information is written in the non-volatile memory or the volatile memory by means of the control means. 
     
     
       12. A solar cell module according to claim  11 , wherein the information relating to the operation state includes information relating to optimum operating points of the solar cell module, and the information relating to the operation environment includes information relating to a quantity of solar radiation. 
     
     
       13. A solar cell module according to claim  1 , wherein the memory medium is provided at a desired position in the non-light receiving face of the solar cell module. 
     
     
       14. A solar cell module according to claim  1  which is provided with a power conversion means for converting an electric power generated by the solar cell module into an AC electric power and outputting said AC electric power. 
     
     
       15. A solar cell module string comprising a plurality of solar cell modules defined in claim  1 . 
     
     
       16. A solar cell system comprising a plurality of solar cell modules defined in claim  1 . 
     
     
       17. A solar cell system according to claim  16 , wherein the memory medium of each of the solar cell modules retains individual information of each solar cell module therein. 
     
     
       18. A solar cell module string which is provided with a readable and writable memory medium capable of writing in a large quantity of information of said solar cell module string and capable of reading out necessary information from said memory medium. 
     
     
       19. A solar cell module string according to claim  18 , wherein the memory medium comprises a non-volatile memory or a volatile memory in which an electric power is constantly supplied, and the solar cell module string is provided with a control means for performing writing and reading for said non-volatile memory or said volatile memory and a power input-output means for performing delivery and receipt of data with respect to the outside. 
     
     
       20. A solar cell system comprising a solar cell module string defined in any of claims  15  to  19 . 
     
     
       21. A supervising method for supervising a complete solar cell module, comprising disposing a readable and writable memory medium in said solar cell module, said memory medium being capable of writing and storing information therein and capable of reading out information therefrom; and supervising said solar cell module by writing administrative information of said solar cell module in said memory medium or reading necessary administrative information from said memory medium. 
     
     
       22. A supervising method according to claim  21 , wherein delivery and receipt of necessary administrative information of the solar cell module are performed between the memory medium and an external database on-line or off-line. 
     
     
       23. A supervising method for supervising a complete solar cell module string, comprising disposing a readable and writable memory medium in said solar cell module string, said memory medium being capable of writing and storing information therein and capable of reading out information therefrom; and supervising said solar cell module string by writing administrative information of said solar cell module string in said memory medium or reading necessary administrative information from said memory medium. 
     
     
       24. A supervising method according to claim  23 , wherein delivery and receipt of necessary administrative information of the solar cell module string are performed between the memory medium and an external database on-line or off-line. 
     
     
       25. A solar cell module having a solid semiconductor memory element. 
     
     
       26. A solar cell module string having a solid semiconductor memory element. 
     
     
       27. A solar cell module having a writable memory medium. 
     
     
       28. A solar cell module string having a writable memory medium. 
     
     
       29. A solar cell module having at least a non-volatile memory or a volatile memory. 
     
     
       30. A solar cell module string having at least a non-volatile memory or a volatile memory.